<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>lesson 36</title>
    <script src="https://unpkg.com/vue@next"></script>
</head>

<body>
    <div id="root"></div>
</body>

</html>
<script>

    const app = Vue.createApp({
        template: `<div>{{name}}</div>`,
        setup(props, context) {
            const { reactive, toRefs } = Vue;
            const data = reactive({ name: '张三' })
            return { name } = toRefs(data);
        }
    });
    const vm = app.mount("#root");
</script>